Acrylic Painting W36"xH24"xD1.5" - mounted on an optional custom frame (W42"xH30") Shipping Wt. 13.3 lbs (6.0Kg). The custom frame works nicely with this painting.  Please contact me if you have any questions.  Thanks you :)
In the 1920s, board-track racing era was coming to an end mainly due to the expense of maintaining the exposed outdoor structures, together with negative publicity following serval high-profile fatalities, forced the motorcycle racing to take new directions -most obvious move was to flat-track racing, however another big trend of the 1920s was hillclimb racing.  In the  early days, near-vertical hill often proved too much, and riders were ranked based on distance they covered - if they made it all the way to top then time was included.  In race shop at Excelsior headquarters in Chicago the SuperX was designed, to develop a new overhead-value engine for the 45-cubic inch hillclimb class.  A 62-cubic inch twin SuperX was created by Excelsiors Joe Petral’s team that earned the nickname “Big Bertha”.  As with all of the factory-special engines of the Class A racing era, the number of big Berthas ever produced was small - as a result, few have survived the intervening decades.